Tuning Theory
seraph's blog

Vocodrone

07 November 2022
How I retune audio processed by a Roland VT-4 Read More...

OtherWordly 1

03 March 2022
A vaguely middle-eastern sounding piece Read More...

Bhairava Bungalow

01 December 2020
The idea was to see if I was able to create a microtonal arpeggiator Read More...

L'evoluzione dei sistemi di intonazione

10 March 2019
Questo articolo si basa sul materiale che ho raccolto per una presentazione sull’argomento che ho preparato per un liceo musicale Read More...

Non-Octave Melancholic

01 February 2019
This piece is an experiment using a 28ED3 tuning system Read More...

Lou Harrison: American Musical Maverick - a review

01 February 2018
A very detailed portrait of a great human being Read More...

Lament for Marco

15 December 2017
Marco Lamioni (1956 - 2017) was a friend of mine who passed away six months ago Read More...

Slowly Waiting

01 November 2017
A video recorded early in the morning, in my garden, few days ago Read More...

Harmonics & Spirals - a review

14 August 2017
A book by Neil Haverstick Read More...

Internet Archive

09 April 2016
Preserving my music for posterity Read More...

A Nearly Normal Sunday

08 November 2015
This jazzy piece is the outcome of an experiment with a LMSO’s feature: Tuning Latch Read More...

11 Dwarfs

01 September 2015
A “Silly Song” for the upcoming movie: “Snow White and the Eleven Dwarfs” Read More...

A backup of my microtonal works

14 August 2015
It took me a long time to upload all this stuff Read More...

The Structure of Recognizable Diatonic Tunings - a review

09 August 2015
I just uploaded a review of this very interesting book by Easley Blackwood Read More...

In Q

01 February 2015
A piece inspired by the famous “In C” by Terry Riley Read More...

Barber’s Adagio For Strings in 23ED2

01 September 2014
The first piece I am retrieving from the hard disk of my Atari Read More...

MP13

17 February 2014
This song is an experiment testing a Kawai MP6 as a microtonal sound module Read More...

Transnotating “Wide Gamma”: Introduction

08 November 2013
The second chapter of my “Wide Gamma” saga Read More...

Jorgensen's 7+5 temperament

24 August 2013
Trying to figure out how it works Read More...

"A Theory of Evolving Tonality" - a review

01 August 2013
“A Theory of Evolving Tonality” by Joseph Yasser is a marvelous book because... Read More...

Wide Gamma 1

01 July 2013
Back to Carlos Gamma Read More...

Note layouts for an alternative piano keyboard

03 October 2012
Lately I have been working on rearranging keys of a piano keyboard... Read More...

"Tuning..." by Jorgensen - A review

04 August 2012
A fascinating and highly recommended book, if you can find it Read More...

Concertina 13

01 July 2012
A new piece featuring 13ED2 and MOTU Ethno2 retuned with LMSO Read More...

Thirteenstan

11 June 2012
A vocal piece in 13ED2 (Equal Division of ratio 2:1 into 13 steps of 92.308 cents each) Read More...

Tecnologia e Sistemi di Accordatura p.14

19 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
APPENDICE Read More...

Tecnologia e Sistemi di Accordatura p.13

19 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
GLOSSARIO Read More...

Tecnologia e Sistemi di Accordatura p.12

19 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
ALCUNE CARATTERISTICHE DI LMSO p.3 - Knead and Fold Read More...

Tecnologia e Sistemi di Accordatura p.11

18 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
ALCUNE CARATTERISTICHE DI LMSO p.2 - Interactive Quantize Read More...

Tecnologia e Sistemi di Accordatura p.10

18 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
ALCUNE CARATTERISTICHE DI LMSO p.1 - Waffle Iron Appliance Read More...

Tecnologia e Sistemi di Accordatura p.9

18 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
LMSO e X.J.Scott Read More...

Tecnologia e Sistemi di Accordatura p.8

16 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
IL PROBLEMA DELL’ACCORDATURA - UN ESPERIMENTO Read More...

Tecnologia e Sistemi di Accordatura p.7

14 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
12tET etc. Read More...

Tecnologia e Sistemi di Accordatura p.6

14 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
UNA BREVE STORIA DEI SISTEMI DI ACCORDATURA p.4 - Considerazioni finali Read More...

Tecnologia e Sistemi di Accordatura p.5

13 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
UNA BREVE STORIA DEI SISTEMI DI ACCORDATURA p.3 - Esploratori microtonali del XIX e XX secolo Read More...

Tecnologia e Sistemi di Accordatura p.4

12 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
UNA BREVE STORIA DEI SISTEMI DI ACCORDATURA p.2 - Dal medioevo al XVIII secolo Read More...

Tecnologia e Sistemi di Accordatura p.3

09 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
UNA BREVE STORIA DEI SISTEMI DI ACCORDATURA p.1 - Antichità Read More...

Tecnologia e Sistemi di Accordatura p.2

07 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
CONSIDERAZIONI PRELIMINARI Read More...

Tecnologia e Sistemi di Accordatura p.1

05 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale
INTRODUZIONE Read More...

Tecnologia e Sistemi di Accordatura

03 March 2012
TECNOLOGIA E SISTEMI DI ACCORDATURA: Risorse hardware, software e online per la musica microtonale Read More...

Transnotating Carlos Alpha 2

08 October 2011
This is a follow-up to my previous articles AlphaTherem Waltz and Transnotating Carlos Alpha. Read More...

AlphaTherem Waltz

07 October 2011
This lyrical piece is the second one featuring Carlos Alpha tuning system played with my Opal Chameleon. Read More...

Transnotating Carlos Alpha

26 September 2011
Third episode of the transnotating saga Read More...

Alpha Compressed Octave

24 September 2011
A further development of my previous posts (Alpha15 note layout and Alpha15 update) was the creation of a fifteen note version of Carlos Alpha. Read More...

Spectral Mappings for CARLOS BETA

19 September 2011
This article is a follow-up to my article Spectral Mappings for CARLOS GAMMA. Read More...

Alpha15 update

19 September 2011
Contrariwise to what I had stated in my previous article, I ended up choosing another note layout to play Carlos Alpha and 15ED2 tuning systems with my Chameleon. Read More...

Alpha15 note layout

11 September 2011
A note layout for my Opal Chameleon suitable for both Carlos Alpha and 15ED2 Read More...

23 Laments

02 August 2011
This is a follow-up to my previous piece Desert Winds Read More...

Desert Winds in 23EDO

23 July 2011
This is an improvisation I recorded in a single take playing an Omnisphere’s sound. Read More...

Modes of Beta

08 May 2011
Every once in a while I wonder about how to use my Halberstadt keyboard for xenharmonic music. Now it’s the time to adapt Carlos Beta to it. Read More...

Yasser, Fibonacci and Carlos

25 February 2011
A follow-up to my previous article: 19edo vs. Carlos Beta Read More...

19edo vs. Carlos Beta

18 January 2011
My recent decision of adopting Carlos Beta as a tuning system to investigate prompted some considerations. Read More...

The Dawn Of Beta

01 January 2011
Creating a set-up to play Carlos Beta Read More...

Gamma major scales, a major labyrinth

04 December 2010
Diatonic scales with Carlos Gamma Read More...

Reverse Engineering Transnotated Carlos Gamma Scores

01 November 2010
This article explains how to edit MIDI notes (recorded playing my Opal Chameleon through Disarray) when starting from a transnotated score in Carlos Gamma. Read More...

“C central” note layout Version 2

11 October 2010
A new version of my Carlos Gamma note layout for the Opal Chameleon Read More...

Transnotating Carlos Gamma

01 October 2010
This is a follow-up to “C central note layout” Read More...

"C central" note layout

18 September 2010
This is one more chapter of the saga about my search for the ultimate Chameleon note layout with Carlos Gamma tuning system Read More...

A review of “Musical Mathematics” by Cris Forster

22 August 2010
My review of a great book Read More...

Dynamic modulation vs. static retuning techniques - part two

01 April 2010
Dynamic Modulation “enables you to instantly change the anchor settings of your scale, to move the note that the tonic note of the scale appears on to a new anchor key, and to transpose the anchor frequency of the scale accordingly so that things line up.” Read More...

Dynamic modulation vs. static retuning techniques - part one

24 March 2010
This is the first installment of a two-part article about “dynamic modulation vs. static retuning techniques” Read More...

"A central" note layout

11 March 2010
...for Opal Chameleon and Carlos Gamma Read More...

Tetrachordal Gamma

24 November 2009
A new visual layout for the Opal Chameleon Read More...

Gamma Elegy

13 November 2009
A song featuring a new note layout for an isomorphic keyboard and Carlos Gamma tuning system Read More...

Adagio Gamma Revisited

21 October 2009
Following my previous blog entry I proceded to experiment with “Gamma Chameleon Notation”. Read More...

Gamma Chameleon Notation

12 October 2009
This is my first attempt at solving the notation problem playing with Carlos Gamma tuning system and Opal Chameleon isomorphic keyboard Read More...

It's all Wendy Carlos' fault...

21 August 2009
What's the reason of my fascination with Carlos Gamma tuning system?
Read More...

Spectral Mappings for CARLOS GAMMA

15 August 2009
“Spectral mapping is a transformation from a “source” spectrum to a “destination” spectrum...it can be used to create inharmonic instruments that retain much of the tonal quality of familiar (harmonic) instruments” - William A. Sethares Read More...

If partials are inharmonic

22 July 2009
A simple experiment with Camel Audio Alchemy...

Read More...

Let's get our hands dirty with JND!

03 April 2009
Seemingly not relevant and unnoticeable pitch variations can make a big difference Read More...

Spirals and Wolves

01 April 2009
More spirals of fifths and howling wolves Read More...

The Spiral of Fifths

27 March 2009
I am preparing for an upcoming lecture, at NYU in Florence, about the "Evolution of Tuning Systems", so, I am trying to figure out a way to demonstrate some tuning techniques in a comprehensible and "entertaining" manner Read More...